Mathematics, 23.10.2020 20:10 yoongnzl

Let cos(2x) – cos(x) = 0, where 0° ≤ x ≤ 180°. What are the possible values for x? 60° only
120° only
0° or 120°
60° or 180°

Answers: 3

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Let cos(2x) – cos(x) = 0, where 0° ≤ x ≤ 180°. What are the possible values for x? 60° only
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